.home-tool-bar{
    position: fixed;
    right: 0px;
    z-index: 199;
    bottom: 70px;
}
.home-tool-bar .item{
    position: relative;
    display: block;
    width: 82px;
    height: 90px;
    margin-top: -1px;
    background-color: #fff;
    border: 1px solid #f5f5f5;
    text-align: center;
    
}
.home-tool-bar .item:last-child{
    display: none;
    margin-top: 10px;
}
.home-tool-bar .item:hover .toolbar-img .hover{  
    opacity: 1;
}
.home-tool-bar .item:hover{
     color: #ff6700;
}
.home-tool-bar .item .toolbar-img{
    position: relative;
    width: 30px;
    height: 30px;
    margin: 0 auto 8px;
    padding-top: 18px;
} 
/* .home-tool-bar .item .toolbar-img img.static{
    opacity: 1;
} */
.home-tool-bar .item .toolbar-img img.hover{
    opacity: 0;
} 
.home-tool-bar .item .toolbar-img img{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 30px;
    -webkit-transition: opacity .3s;
    transition: opacity .3s;
}
.home-tool-bar .item .toolbar-img .text{
    color: #757575;
    -webkit-transition: color .3s;
    transition: color .3s;
}